Are the triangles below acute, obtuse, or right?Triangle A45°45°AcuteObtuseRightTriangle B110°40°30°AcuteObtuseRightTriangle C60°30°AcuteObtuseRightTriangle D80°50°50°AcuteObtuseRight
Question
Are the triangles below acute, obtuse, or right?Triangle A45°45°AcuteObtuseRightTriangle B110°40°30°AcuteObtuseRightTriangle C60°30°AcuteObtuseRightTriangle D80°50°50°AcuteObtuseRight
Solution
Sure, here are the answers:
Triangle A: The angles are 45°, 45°, and 90° (since the sum of angles in a triangle is 180°). This triangle is a right triangle because one of its angles is 90°.
Triangle B: The angles are 110°, 40°, and 30°. This triangle is an obtuse triangle because one of its angles is greater than 90°.
Triangle C: The angles are 60°, 30°, and 90° (since the sum of angles in a triangle is 180°). This triangle is a right triangle because one of its angles is 90°.
Triangle D: The angles are 80°, 50°, and 50°. This triangle is an acute triangle because all of its angles are less than 90°.
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